GetRegistryAddress (helpers/helpers.go)

Parses Docker image names to extract registry addresses for container operations.

// Source: https://github.com/containrrr/watchtower | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
package helpers

import (
	"github.com/distribution/reference"
)

// domains for Docker Hub, the default registry
const (
	DefaultRegistryDomain       = "docker.io"
	DefaultRegistryHost         = "index.docker.io"
	LegacyDefaultRegistryDomain = "index.docker.io"
)

// GetRegistryAddress parses an image name
// and returns the address of the specified registry
func GetRegistryAddress(imageRef string) (string, error) {
	normalizedRef, err := reference.ParseNormalizedNamed(imageRef)
	if err != nil {
		return "", err
	}

	address := reference.Domain(normalizedRef)

	if address == Defaul

... (truncated -- full source via MCP)